Methods
D
Instance Protected methods
define_method_attribute(attr_name)

Defined for all datetime and timestamp attributes when time_zone_aware_attributes are enabled. This enhanced read method automatically converts the UTC time stored in the database to the time zone stored in Time.zone.

# File activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, line 22
          def define_method_attribute(attr_name)
            if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
              method_body, line = "                def _#{attr_name}
                  cached = @attributes_cache['#{attr_name}']
                  return cached if cached
                  time = _read_attribute('#{attr_name}')
                  @attributes_cache['#{attr_name}'] = time.acts_like?(:time) ? time.in_time_zone : time
                end
                alias #{attr_name} _#{attr_name}
", __LINE__ + 1
              generated_attribute_methods.module_eval(method_body, __FILE__, line)
            else
              super
            end
          end
define_method_attribute=(attr_name)

Defined for all datetime and timestamp attributes when time_zone_aware_attributes are enabled. This enhanced write method will automatically convert the time passed to it to the zone stored in Time.zone.

# File activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, line 41
          def define_method_attribute=(attr_name)
            if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
              method_body, line = "                def #{attr_name}=(original_time)
                  time = original_time
                  unless time.acts_like?(:time)
                    time = time.is_a?(String) ? Time.zone.parse(time) : time.to_time rescue time
                  end
                  time = time.in_time_zone rescue nil if time
                  write_attribute(:#{attr_name}, original_time)
                  @attributes_cache["#{attr_name}"] = time
                end
", __LINE__ + 1
              generated_attribute_methods.module_eval(method_body, __FILE__, line)
            else
              super
            end
          end